AT28HC256F-90SU

Product Overview

Category

AT28HC256F-90SU belongs to the category of high-speed, low-power Electrically Erasable Programmable Read-Only Memory (EEPROM) chips.

Use

This product is commonly used in electronic devices for non-volatile data storage. It allows for easy and efficient retrieval of stored information even when power is removed.

Characteristics

• High-speed operation
• Low power consumption
• Non-volatile memory
• Electrically erasable and programmable
• Reliable and durable

Package

AT28HC256F-90SU is available in a Small-Outline Integrated Circuit (SOIC) package. This package provides a compact and convenient form factor for integration into various electronic devices.

Essence

The essence of AT28HC256F-90SU lies in its ability to store and retrieve data reliably and efficiently, making it an essential component in many electronic systems.

Packaging/Quantity

AT28HC256F-90SU is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer and customer requirements.

Specifications

• Part Number: AT28HC256F-90SU
• Memory Size: 256 kilobits (32 kilobytes)
• Operating Voltage: 2.7V - 5.5V
• Access Time: 90 nanoseconds
• Interface: Serial Peripheral Interface (SPI)
• Data Retention: 10 years
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The AT28HC256F-90SU chip has a total of 8 pins, which are as follows:

1. Chip Select (/CS): Enables or disables the chip for communication.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Receives data from the external device.
4. Serial Data Output (SO): Transmits data to the external device.
5. Write Enable (/WE): Controls the write operation of the chip.
6. Hold (/HOLD): Suspends the current operation without losing data.
7. VCC: Power supply voltage.
8. Ground (GND): Common ground reference.

Functional Features

• High-speed operation allows for quick data access and retrieval.
• Low power consumption ensures efficient use of energy resources.
• Electrically erasable and programmable memory enables easy modification of stored data.
• Reliable and durable design ensures long-term data retention and integrity.
• SPI interface provides a simple and widely supported communication protocol.

Advantages and Disadvantages

Advantages

• High-speed operation allows for fast data access.
• Low power consumption prolongs battery life in portable devices.
• Electrically erasable and programmable memory offers flexibility in data storage.
• Reliable and durable design ensures data integrity over time.
• SPI interface simplifies integration with various electronic systems.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Higher cost per bit compared to some alternative memory solutions.
• Limited endurance may restrict certain applications with frequent write operations.

Working Principles

AT28HC256F-90SU utilizes EEPROM technology, which allows for non-volatile data storage. The memory cells within the chip can be electrically programmed and erased, enabling data to be written and modified as needed. The chip communicates with the external device using the SPI interface, allowing for efficient data transfer.

Detailed Application Field Plans

AT28HC256F-90SU finds applications in various electronic devices, including but not limited to: - Microcontrollers - Embedded systems - Automotive electronics - Industrial control systems - Consumer electronics

The chip's high-speed operation, low power consumption, and reliable data storage make it suitable for applications that require efficient and durable non-volatile memory.

Detailed and Complete Alternative Models

• AT28C256: Similar to AT28HC256F-90SU but operates at a slower speed.
• AT28HC256E: Offers extended temperature range compared to AT28HC256F-90SU.
• AT28HC256L: Low-power variant with reduced operating voltage.

These alternative models provide options with different specifications and features to cater to specific application requirements.

In conclusion, AT28HC256F-90SU is a high-speed, low-power EEPROM chip that offers reliable and efficient non-volatile data storage. Its compact package, functional features, and wide range of applications make it a valuable component in various electronic systems.